shithub: tlsclient

ref: f208e59263d823ebdd8f4160825be3de63556a10
dir: /libauthsrv/hkdf_x_plan9.c/

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#include <u.h>
#include <libc.h>
#include <libsec.h>
#include <authsrv.h>

void
hkdf_x_plan9(uchar crand[2*NONCELEN], uchar key[NONCELEN], uchar secret[256])
{
	static char info[] = "Plan 9 session secret";
	
	hkdf_x(crand, 2*NONCELEN,
		(uchar*)info, sizeof(info)-1,
		key, NONCELEN,
		secret, 256,
		hmac_sha2_256, SHA2_256dlen);
}